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Dealing With Verdigris

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Author Previous TopicReplies: 12 / Views: 1,571Next Topic  
Pillar of the Community

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 Posted 12/15/2020  12:02 am Show Profile   Bookmark this topic Add CentSation to your friends list Get a Link to this Message Number of Subscribers
Just wanting to get some suggestions on dealing with verdigris.

I have this 36P DDR [among others] where verdigris has ruined the surface of the coin. While I know that I cannot reverse this damage, I would like to find out if there is a way to inhibit it from growing any worse and, if possible, even remove some of it.
Also, the best practices for storing them given that verdigris is present.

Thanks

edit: I do have some Verdi-Care and Coin Conditioner





Dealing-With-Verdigris
Edited by CentSation
12/15/2020 12:07 am
Bedrock of the Community
merclover's Avatar
United States
10635 Posts
 Posted 12/15/2020  01:32 am  Show Profile   Bookmark this reply Add merclover to your friends list Get a Link to this Reply
I think you have solved your own question. Verdi-care will fix your verdigris issue. You should be able to treat your coin to stop further damage, but not erase it. If you want/need more, PCGS offers a curation service.
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T-BOP's Avatar
United States
18456 Posts
 Posted 12/15/2020  07:09 am  Show Profile   Bookmark this reply Add T-BOP to your friends list Get a Link to this Reply
What does the obverse look like ? Just go ahead and give it a Verdi-Care soak just enough to cover coin , the longer the better . When you take it out start your conservation with Q-tips ,tooth pics ,and soft clean cloth . Note , if your going to holder the coin make sure it is dry before you do so .
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Coinfrog's Avatar
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94367 Posts
 Posted 12/15/2020  09:08 am  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Keep in mind that once the verdigris is removed, the area underneath will probably be a different color than the surrounding area.
Pillar of the Community
United States
713 Posts
 Posted 12/15/2020  6:32 pm  Show Profile   Bookmark this reply Add CentSation to your friends list Get a Link to this Reply
Thanks for the responses.

I did treat this coin with VerdiCare prior to these pics. I put on a few drops* and "pushed" it around the obverse and reverse for several minutes with a toothpick trying to loosen up the verdigris. Unfortunately, it did not do anything of note. The obverse does have some damage to LIBERTY.

It is just a generic DDR at this point because I am not sure which one it is so I will probably just put it in a flip.

Should I let the V-C dry on the coin to protect it before putting it in a flip or just use the Classic Coin Conditioner after using and rinsing off the V-C?

Thanks


* V-C is not easy to come by and I only have the trial size.

Dealing-With-Verdigris
Edited by CentSation
12/15/2020 6:34 pm
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Eyez's Avatar
United States
584 Posts
 Posted 12/15/2020  6:36 pm  Show Profile   Bookmark this reply Add Eyez to your friends list Get a Link to this Reply
sorry for reply here and I dont want to take away from the credit of VC, I was a industrial cleaner/painter/sandblaster for over 28 yrs isn't VC just a diluted acetone vinegar mix?
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713 Posts
 Posted 12/15/2020  6:42 pm  Show Profile   Bookmark this reply Add CentSation to your friends list Get a Link to this Reply
Ha, no problem. Thanks for replying. The bottle does not state what is in it but, I do know that it was developed by a coin collecting chemical engineer.

I believe that whatever is in it has a positive effect on the coin.
Edited by CentSation
12/15/2020 6:43 pm
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Eyez's Avatar
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 Posted 12/15/2020  6:46 pm  Show Profile   Bookmark this reply Add Eyez to your friends list Get a Link to this Reply
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merclover's Avatar
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 Posted 12/15/2020  9:08 pm  Show Profile   Bookmark this reply Add merclover to your friends list Get a Link to this Reply

Quote:
isn't VC just a diluted acetone vinegar mix?

I think CCF member BadThad would debate you on this.

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2341 Posts
 Posted 12/16/2020  06:04 am  Show Profile   Bookmark this reply Add smat45 to your friends list Get a Link to this Reply
As was mentioned earlier...keeping it (VC) on there the longer the better. The yuck that was on there was there for a long time...Let the VC stay on there to kind of penetrate and soften up the build up...then gently try and remove the build up...it may take a second application...
smat
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Eyez's Avatar
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584 Posts
 Posted 12/16/2020  12:29 pm  Show Profile   Bookmark this reply Add Eyez to your friends list Get a Link to this Reply
@merclover sorry didnt mean acetone ment acetate food grade of course like what they put in grape soda. regardless heh coin turned out nice.
Edited by Eyez
12/16/2020 12:30 pm
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shantiom's Avatar
United States
522 Posts
 Posted 12/16/2020  1:31 pm  Show Profile   Bookmark this reply Add shantiom to your friends list Get a Link to this Reply
BadThad Post on Acetone, Xyelene, etc. have not tried myself, but some on this thread may need to read:
http://goccf.com/t/57008#447106
Pillar of the Community
United States
713 Posts
 Posted 12/16/2020  9:29 pm  Show Profile   Bookmark this reply Add CentSation to your friends list Get a Link to this Reply
Thanks shantiom, very helpful.
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